Global Tabs summoned during blueprint debugging will be constrained to level viewport when dragging the tab

Any global tabs summoned while a blueprint breakpoint is triggered will have its movement constrained to the level viewport.

1. Open QAGame in editor.
2. Open the blueprint QABP_Debugging.
3. Add a breakpoint to the ComponentHit (Cylinder) node.
4. Add the blueprint to the level.
5. Play in viewport.
6. Shoot the Cylinder.
7. While on the breakpoint. Open the Callstack tab (Window > Developer Tools).
8. Click and drag the tab.

RESULT

the tab will be constrained to the level viewport.